In this case, AT&T claims that it isn't really opposed to the merger, but it's filing opposition papers because it feels that Sprint and Clearwire aren't receiving the same level of scrutiny that AT&T received in its mergers, specifically with regards to it spectrum holdings. This seems like grasping at straws by AT&T just to throw some sort of extra paperwork roadblock in the path of the new Clearwire, which is an obvious competitor.